[Cultivation realms]
From low to high: Houtian (lowest level), Xiantian, Jindan, Yuanying, Fanxu, Dasheng (highest level)
Each level is split into four stages, early, mid, late and half-step. For instance, half-step Xiantian means you're extremely near to Jindan.
[The five great sects]
Thousand Blooming Lotus Sect
Blazing Hawthorn Sect
Harmony Sect
Falling Stars Sect
White Rain Sect
[Other terms]
Qi means spiritual power.