The block menu contains the functions that provide navigation to the accessible blocks on a form. The menu enables you to move from one block area to another within a form.

Next moves the cursor to the next block that contains at least one enterable field. If the previous block is in another window, that window is opened.
Previous moves the cursor to the previous block that contains at least one enterable field. If the next block is in another window, that window is opened.
Clear removes all information in the block. Information is not removed from any records or tables.