WordPress is software for running a website and editing its content. You can log in to change pages, publish articles and add images instead of asking a developer to rewrite code for every update.
What you would actually do with it
Imagine you run a small flower shop. Your website has a wedding page, opening hours and a gallery. You want to add photographs from a recent wedding and explain a new flower package.
You log in, open the relevant page, replace the pictures and edit the text. You preview the result, check it on your phone and publish the changes. Visitors see the updated page. WordPress is the system helping you manage that content; it is not the photographs, the writing or the design itself.
The parts people often confuse
WordPress provides the basic publishing and content-management tools. A theme supplies much of the site’s presentation. Plugins add functions such as forms or a shop. A visual editor may also help you arrange the layout.
Your domain is the address people type. Your hosting is the service that runs the website. Buying a domain does not automatically give you a finished WordPress site.
WordPress.org and WordPress.com
They are related, but they are not the same service. WordPress.org provides the open-source software you can run with a hosting provider of your choice. WordPress.com offers a hosted service built around WordPress.
This distinction matters when someone asks where your website is hosted or which support team can help. A WordPress login does not necessarily mean you have a WordPress.com account.
Free software does not mean a free website
The WordPress software is free to use. Hosting, a domain, paid extensions, design, writing and maintenance may still cost money. Ask a supplier to separate the build cost from ongoing services so you know what you are paying for.
What to ask before your site is built
Which changes will you be able to make yourself? Who handles updates and backups? Where will the hosting and domain accounts be kept? Ask to be shown a real everyday task, such as changing a service description, rather than accepting “easy to edit” as the whole answer.
You do not need to become a developer. You do need a clear handover and someone responsible for the parts you will not manage.
Keep exploring
Official explanations