Brother GT-3 Series Instruction Manual page 13

No. Name
16 Bring to the Front
17 Send to the Back
18 Delete
It brings an object to the front.
Among those objects that overlap with the selected object, this function moves
one object to the foremost position in front of the object which is currently
positioned at the front side. However, no change will take place if no object
overlaps with each other.
Send an object to the bottom/back of the overall image.
Among objects that overlap with the selected object, this function moves one
object to the bottommost position behind the object which is currently
positioned at the rearmost of the overall image. However, no change will take
place if no object overlaps with each other.
Click on the recycle bin icon to delete any object.
13
Screen display and functions
Function