monogram
The traditional words for 'goodbye' in French are 'adieu' and 'au revoir'. The word 'adieu' means 'to God', and therefore tends to be more formal and final. Its initials are A., or A.D. The word 'au revoir' means 'to the seeing again'. Its initials are A.R.
That design is beautiful!
The word 'stylisme' is a French word that when translated into English means 'styling' or 'design'. When using the French term 'stylisme de mode', one is referring to fashion design.
Acronym
It is the Hebrew and Aramaic word for father, and it is also the initials of the band members of the group ABBA
Ishou [意匠] means design.
The word design is commonly used as a noun and verb. When it is used as a noun, in Malayalam, it means rooparekha or chittavattam. When it is used as a verb, it means, rooparekha thayarakkuka or chittavattamundakkuka.
monograph
The word you're looking for is "initials."
design
The word you are looking for is "engrave." It refers to the process of cutting or carving a design onto a hard surface, typically metal, by using a sharp tool.
A monogram.