If you co-ordinate an activity, you organize the various people and things involved in it.

If you co-ordinate clothes or furnishings that are used together, or if they co-ordinate, they are similar in some way and look nice together.

Co-ordinates are pieces of clothing or soft furnishings which are similar and which are intended to be worn or used together.

If you co-ordinate the different parts of your body, you make them work together efficiently to perform particular movements.

The co-ordinates of a point on a map or graph are the two sets of numbers or letters that you need in order to find that point.