What aspects are important when composing music?

I want to learn the basics of music composing for that; I want to know what methods are applied when composing music.

Melody: The primary sequence of notes that is easily memorable. Harmony: Chords and progressions that support the melody. Rhythm: The timing and beat patterns. Dynamics: Variations in loudness and intensity. Structure: The organization of musical sections. Instrumentation: Choice of instruments and their roles. Texture: Layers and interactions of simultaneous musical sounds. Lyrics: If the composition includes vocals. Mood and Emotion: The feeling or atmosphere the music conveys. Originality: Unique elements that differentiate the piece.