Question

The outer or topmost part of something

Answer 1

The part higher than rest of the object

Answer 2

Answer:

• The outer or topmost part of something may be termed as surface. This encloses other parts in it.
• This encloses other parts at the inner side of it.  
• There are many similar terms related to outermost covering they are cover, skin, plate, paint, membrane where the cover means it is used to hide something, skin covers the parts of the body from damage.
• Plate is used to cover some bowl, paint is used to cover wall made of cement which is rough surface, membrane is layer which covers the outer boundary of a living cell.