A set of navigational link to page extension or related content.
The best example is showing 10 records per page out of total 49 records. All records can be displayed by using 5 pages with navigational link to visit any page.
For the screen readers it is better to wrap the list within a NAV tag and add area-label. Here is the code.
<nav aria-label='There are 4 pages to Navigate'>
<ul class='pagination justify-content-center'>
<li class='page-item'><a class='page-link' href='#'>Previous</a></li>
Disabled & Active
The link with current page should have active class and if we are at the last page then the link showing Next page should have class disabled ( un clickable ).
Similarly if are at the first page then the link showing previous page should be disabled or un-clickable.