The WordPress plans are the same machines, the same cPanel and the same LiteSpeed as the rest of the shared range, in 1 GB, 2 GB and 4 GB sizes, with one addition: WP Toolkit. It is a panel inside cPanel that handles the repetitive parts of running WordPress.
The install
WP Toolkit installs WordPress with its database, its database user and its administrator account in one step, and writes none of it down anywhere you have to remember. A site installed through it is one WP Toolkit knows about afterwards, which is what makes everything below work.
A WordPress you uploaded yourself can be scanned and adopted from the same screen, so an imported site is not stuck outside it.
The update report
The screen lists the core version, every theme and every plugin, and which of them are behind. That list is the thing worth opening once a week: a WordPress site is almost never broken into through WordPress itself, it is broken into through a plugin nobody updated in a year.
Updates can be applied from there, and they can be set to apply themselves. Automatic updates are a judgement rather than an obvious yes: on a simple site they are the right default, and on a site with a heavily customised theme they are how you find out on a Sunday that something changed.
Staging, which is the one to learn
Staging makes a copy of the site at its own address, on the same account. You update the plugin there, you test the thing you were worried about, and if it survives you push the change to the live site. If it does not, you delete the copy and nobody saw it.
This is the feature that justifies the plan. Testing on the live site is the most common way a working site stops working, and it is entirely avoidable.
Clone, and what it is for
A clone is a full copy at another domain or subdomain on the account. It is how you hand a site to somebody else to look at, how you keep a before copy of a redesign, and how you move a site between domains without doing it by hand.
The one job it does not do
WP Toolkit is not your backup. It will take a copy before an update, which is a different thing: a copy held on the same account, for the specific risk of that update. Backups of the account are taken for you separately, and a copy of the site somewhere that is not the hosting account is still worth keeping.
LiteSpeed Cache
Every shared plan runs LiteSpeed, and the LiteSpeed Cache plugin lets WordPress talk to the server's cache directly, so a page can be served without PHP running at all. It is a plugin you install and configure, not something that happens on its own, and on a site that was already caching well the difference is smaller than on a site that was not.