A very basic question. What does the numbers shown in each node of the SVN Eclipse Plugin shows? I started using SVN recently only. Am seeing a number corresponding to each node.
Those are the revision numbers of the last commit that affected that node.
See also this explanation of the concept of the "Mixed revisions working copy": http://svnbook.red-bean.com/nightly/en/svn.basic.in-action.html#svn.basic.in-action.mixedrevs