notation
//noʊˈteɪʃən//
Noun
notationSingular
notationsPlural
1
A system of symbols, signs, or marks used to represent information, quantities, or elements in a particular field such as music, mathematics, or science.
Musical notation allows composers to write down their compositions for others to perform.
2
A note or annotation written to explain or comment on something.
The teacher made a notation in the margin of my essay.
3
The act or process of representing something by a system of marks or symbols.
The notation of musical scores requires years of practice to master.