A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.
Featured photo is part of a fun thing at P-SE, that lets users submit their photos, which is then voted by community users. Photos with maximum up votes each week are made PoTW (Photo of the Week). Th…