From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

in way that achieves maximum productivity with minimum wasted effort or expense.

Not of the same kind; unlike other things.

self-confident, level-headed, or well organized. In the same place; not far in a family or group.

Acting/done properly as a qualified person would. One who plays a sport or similar activity as a job.

activity or sport of moving rapidly through area negotiating obstacles by running, jumping, and climbing. A form of street running gymnastics.

person, animal, etc. belonging to group. People or things belonging to a group or team.

State of difficulty or stress. To make an effort to do something; bother.

To become aware of or understand mentally.

action of teaching person or animal particular skill or type of behaviour. To educate someone in something, e.g. medicine.

Having had your attention taken; curious. To make someone want to know about something.

Healthy or successful. (of child, animal, or plant) grow or develop well or vigorously.

feel sure something is true.

A thing of any kind.

Activity done to entertain an audience.