Task
activity that needs to be accomplished within a defined period of time
Parsons problem
mathematical problem
Fermi problem
quest for the historical Jesus
mission
developmental tasks
Byzantine fault
cigarette smokers problem
object categorization from image search
challenge
Zebra Puzzle
coursework
chess problem
two-body problem
C10k problem
job
building insulation
n-back
quest
exercise
falling cat problem
three-body problem
housekeeping
quest
dining philosophers problem
optimization problem