any specific behavior | the principal activity in your life that you do to earn money |
the trait of being active; moving or acting rapidly and energetically | the act of occupying or taking possession of a building |
an organic process that takes place in the body | the control of a country by military forces of a foreign power |
a process existing in or produced by nature (rather than by the intent of human beings) | any activity that occupies a person's attention |
the state of being active | the period of time during which a place or position or nation is occupied |
(chemistry) the capacity of a substance to take part in a chemical reaction | |