The act of relying on another

To take part in an activity

To successfully overcome

An example and explanation of how to perform a movement

Serious or continued difficulty or misfortune

A serious attempt at an action

Ability to move quickly and easily

Maximum productivity with minimum wasted effort

The efficient action of a group

Performing a skill well

Able to withstand difficult conditions

A technical plan of action

Providing help to achieve a goal

Having the ability needed for a certain action