What does this block do?

What does this block do?

You can Add Sound by this Block

These blocks turn their sprite the specified amount of degrees clockwise or counter-clockwise (depending on which block is used); this changes the direction the sprite is facing.

This block moves its sprite steadily to the specified X and Y position in the specified amount of seconds -

It is a motion block and a Stack block that points its sprite towards the mouse-pointer or the costume center of another sprite.

This block moves its sprite costume center's X position by the specified amount.

This block moves its sprite's Y position by the specified amount.

The sprite being chased is different. The player should not know where that sprite is going. Which block will help the sprite being chased to move around without you knowing where or when?