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Glossary

Digital skills glossary

The SkillsVerx glossary explains the terms you meet while learning SEO, digital marketing, AI, automation, ecommerce, design, video editing and accounting. Every entry opens with a short definition you can quote, then shows how the idea works in practice, with sources, and which course teaches it.

A

  • AEO (answer engine optimization)

    AEO (answer engine optimization) is writing and structuring content so search engines and AI assistants can pull out a direct answer to a question. It targets featured snippets, People Also Ask boxes, voice answers and AI summaries.

  • AI agent

    An AI agent is software that uses a language model to decide which steps to take and which tools to use to finish a task, rather than following a fixed script. It can read a request, look things up, act in other apps and check the result.

  • AI hallucination

    An AI hallucination is an answer from an AI model that sounds confident but is false, made up or not supported by the material it was given. It happens because language models generate likely-sounding text, not checked facts.

  • AIO (AI optimization)

    AIO usually means AI optimization: making your brand and content easy for AI systems to find, understand and recommend. People also use AIO as short for Google AI Overviews, so check which meaning is intended.

  • Amazon FBA (Fulfillment by Amazon)

    Amazon FBA (Fulfillment by Amazon) is a service where you send your stock to Amazon’s warehouses and Amazon stores it, packs and ships each order, and handles customer service and returns. You pay fees for fulfillment and storage.

B

  • B-roll

    B-roll is the supporting footage cut into a video alongside the main shot, such as close-ups, locations and hands at work. It shows what the speaker is talking about, hides cuts and keeps viewers watching.

  • Backlink

    A backlink is a link from another website to yours. Search engines use links to discover pages and as one sign of how trusted a page is, so links from relevant, reputable sites help SEO and bought or spammy links can hurt it.

  • Bank reconciliation

    Bank reconciliation is matching the transactions in your accounting records against your bank statement to confirm that both show the same money in and out. Any difference points to a missing entry, a bank charge or a mistake to fix.

  • Brand kit

    A brand kit is a short set of files and rules that keeps a brand looking the same everywhere: its logos, colours, fonts and example layouts. Designers, marketers and printers all work from it, so every post and flyer feels like the same business.

C

  • Cash on delivery (COD)

    Cash on delivery (COD) is a payment method where the buyer pays in cash when the parcel arrives, not when ordering online. The courier collects the money and passes it to the seller later, minus its charges.

  • Chart of accounts

    A chart of accounts is the complete, organised list of every account a business uses to record its transactions, grouped into assets, liabilities, equity, income and expenses. It is the backbone of the books: every entry lands in one of these accounts.

  • Click-through rate (CTR)

    Click-through rate (CTR) is the share of people who click a link, ad or search result after seeing it. You work it out by dividing clicks by impressions, so 5 clicks from 100 views is a 5% CTR.

  • Colour grading

    Colour grading is adjusting the colours, contrast and brightness of video footage to set a mood and a consistent look. It usually comes after colour correction, which first fixes exposure and white balance so every shot matches.

  • Conversion rate

    Conversion rate is the percentage of visitors or ad clicks that go on to do what you wanted, such as buy, register or send a message. You divide conversions by visits or interactions, so 50 sales from 1,000 visits is 5%.

D

  • Domain authority

    Domain Authority (DA) is a score from 1 to 100, created by the SEO software company Moz, that predicts how likely a website is to rank. It is a third-party estimate based mostly on links, not a number Google uses.

  • Dropshipping

    Dropshipping is a way of selling online where you never hold stock: when a customer orders, you pass the order to a supplier who ships it straight to them. You earn the gap between your price and the supplier’s price.

E

  • E-E-A-T

    E-E-A-T stands for experience, expertise, authoritativeness and trustworthiness, the qualities Google uses to describe helpful, reliable content. Google says trust matters most, and that E-E-A-T is not a single ranking factor.

  • E-invoicing (FBR digital invoicing)

    E-invoicing, called digital invoicing by FBR, is issuing sales tax invoices in a set electronic format that is sent to FBR in real time. In Pakistan it became mandatory for sales tax registered businesses in 2025.

  • Ecommerce

    Ecommerce is buying and selling products or services online, through a website, a marketplace such as Daraz or Amazon, or social media. It covers the whole chain: listing, payment, delivery, returns and customer service.

G

  • GEO (generative engine optimization)

    GEO (generative engine optimization) is shaping your content so AI answer tools such as ChatGPT, Perplexity and Google AI Overviews use it and cite it. It builds on SEO and aims for a mention inside the AI answer itself.

K

  • Keyword research

    Keyword research is finding the words and questions people type into search engines, then choosing which ones a page should target. Good research weighs how many people search, what they want to find and how hard it is to rank.

L

  • Large language model (LLM)

    A large language model (LLM) is an AI model trained on huge amounts of text to predict and generate language. It powers chat tools such as ChatGPT, Gemini and Claude, and it writes by predicting likely next words, not by looking facts up.

  • Local SEO

    Local SEO is the work of helping a business show up when people nearby search for what it sells, especially in Google Maps and the local results. It centres on the Google Business Profile, reviews and consistent business details.

N

  • n8n

    n8n is a fair-code licensed workflow automation tool that connects apps and adds AI steps to business processes. You build workflows from visual nodes, and you can use n8n Cloud or run the free Community Edition on your own server.

  • No-code

    No-code means building apps, websites or automations with visual tools, forms and drag-and-drop blocks instead of writing programming code. It lets people who are not developers build working software for real business tasks.

P

  • Portfolio

    A portfolio is a collection of your best real work, with a short explanation of each piece, that shows clients or employers what you can do. For freelancers it often matters more than a degree, because it proves the skill directly.

  • Prompt

    A prompt is the instruction, question or material you give an AI tool such as ChatGPT, Gemini or Claude to get a response. A clear prompt says what you want, gives the context and shows the format you expect.

  • Prompt engineering

    Prompt engineering is the practice of designing, testing and improving prompts so an AI model gives reliable, useful results for a task. It treats a prompt like any other work product: define what good looks like, test it and refine it.

S

  • SEO (search engine optimization)

    SEO (search engine optimization) is the work of helping search engines understand your pages so the right people find them in search results. It covers how a site is built, what its pages say and how other sites link to it.

W

  • Workflow automation

    Workflow automation is setting up software to run a repeated series of business steps on its own, triggered by an event such as a new order, form entry or email. It replaces copy-paste work between apps with a process that runs the same way every time.

By topic

Terms by course

Each skill has its own vocabulary. Pick the one you are learning.