CTFs, like most things in life, follow some basic patterns. For example, one of the most popular CTF formats is the jeopardy format, a style that groups challenges by type or difficulty and presents them as boxes on a "Jeopardy" board. The following resources help explain some of the lingo and how CTFs are played in general.
An introduction to CTFs, include tutorials on various topics such as vulnerability creation and forensics.
Say hi to the WCSC CTF Bot, based on the OTA-Challenge-Bot from OpenToAllCTF! Check out the commands on the linked github page, or just type !intro in slack