[[WP:Size_of_Wikipedia|Wikipedia is a big place!]]
For a start, there are currently '''{{#expr:{{formatnum:{{NUMBEROFARTICLES}}|R}}/1000000round1}} million''' articles, the most [[Wikipedia:Size in volumes|extensive encyclopaedia]] in human history.
In addition to this, there are another '''{{#expr:({{formatnum:{{NUMBEROFPAGES}}|R}}-{{formatnum:{{NUMBEROFARTICLES}}|R}})/1000000round1}} million''' supporting pages devoted to helping build the encyclopaedia ({{#expr:({{formatnum:{{NUMBEROFPAGES}}|R}}-{{formatnum:{{NUMBEROFARTICLES}}|R}})/{{formatnum:{{NUMBEROFARTICLES}}|R}}round1}}-fold more than the articles)!
This tutorial will help you to get your bearings, learn how to find what you're looking for, and introduce you to a few of the most important pages.