Meaning of Notational
Unknown / অজানা / अज्ञात
a system of graphic symbols for a specialized use, other than ordinary writing: musical notation.
the process or method of noting or setting down by means of a special system of signs or symbols.
the act of noting, marking, or setting down in writing.
a note, jotting, or record; annotation: notations in the margin.
any series of signs or symbols used to represent quantities or elements in a specialized system, such as music or mathematics