Z:englobe-dselect--c30816-The line you have highlighted/en

The line you have highlighted represents many packages; if you ask to install, remove, hold, etc. it you will affect all the packages which match the criterion shown.

If you move the highlight to a line for a particular package you will see information about that package displayed here. You can use `o' and `O' to change the sort order and give yourself the opportunity to mark packages in different kinds of groups.