I can agree with static 'charge', as one might see with regard to packing peanuts
but in reference to a spark caused by your movement across the carpet,
followed by touching a door knob with a resulting spark, it seems to cease being static
since movement is involved to generate the potential difference (charge differential) which leads to the spark.
Two quantifiable details here are the motion required to create a charge imballance
and a breakdown point. If our state of charge is increased to the point of an electric spark,
have we not crossed over to dynamic or is the lack off the ability to
sustain the current flow a critical detail which differentiates between static electricity and dynamic.
These are considerations which will be sorted through in discussions
with the intention of determining if a spark is a spark regardless of it's sustainability.
A.D. Moore states, In his book Electrostatics, gives quite a detailed explanation of static charge, discharge, and the charge generating machine that preceeded todays generators.