Help me.. I don't understand what he saying
During my technical writing study, I can't understand this explanation.
'Brevity' : Less Is More - Pare your language down to the essential message you want to get across to your readers.
Ex: Earthquakes can occur at predictable intervals along a given fault segment. Depending on the length and slip in each mainshock, the exact interval can vary by a factor of two. The southern segment of the San Andreas fault has an interval of 145 years, plus or minus a few decades.
what's this meaning?