Sorry for the lousy formatting of the userboxes; I was lazy. In essence, I wrote a short bio, then found userboxes, and decided to just use those to say everything. This might get cleaned up eventually, but not promises. I know the Userboxtop formatting exists, I am just not currently using it.
Wikipedia has a sister project that presents hundreds of thousands of word definitions. It's called Wiktionary. Let's say you are writing a sentence and you want to create a link to the definition of a word, the understanding of which is crucial to understanding that article. But in this hypothetical situation, you don't want to link to the Wikipedia page for that word because doing so would be overkill. So, using our Source Editor, here's how you would provide a link to the definition of "understanding" on Wiktionary:
both [[wiktionary:understanding|]] and [[wikt:understanding|]] will display like this: