The files in this directory are used for gvim toolbar button icons. You can see the corresponding toolbar item definitions in home/.gvimrc. Image sources are as follows: timeslice.png: - https://commons.wikimedia.org/wiki/File:Modern_clock_chris_kemps_01.svg by Chris Kempson Another good option here would be: - https://commons.wikimedia.org/wiki/File:OOjs_UI_icon_clock.svg by Mun May Tee-Galloway ( https://commons.wikimedia.org/wiki/User:MGalloway_(WMF) ) ...but I'm not using that one since I wanted public domain icons. nerdtree.png: - https://openclipart.org/detail/197127/mono-ftout by Danny Allen ( https://dannya.com/ ) nerdtreefind.png: - https://openclipart.org/detail/24543/folder1 by Anonymous I gratefully acknowledge the work of these artists, even if said work may not look all that great in this resolution / context. :)