-about scrum development *overview [#i279688b] *phase [#c2ee7516] **sprint [#ydbdd80d] -work cycle (period may change from week to month) -avoid changing sprint span.keeping it helps you to estimate more accurate schedule. **definition of done [#m9bdb550] -fix standard rule of "DONE" first! *tools [#s024ec41] -JIRA -backlog -HipChat(IM)