An accent in music is an emphasis, stress or stronger emphasis placed on a particular note, set of notes, or chord, and it can be indicated by an accent mark.
A tonic accent refers to an emphasis on notes caused by a higher pitch.
An agogic accent refers to an emphasis placed on a note through prolongation of duration.
Answer: Texture is the appearance, feel , and consistency that is used by the artist. The artist used a visual elements to make the painting look like a 3D painting and also used a lot of shading in his painting. The color contrast also helps the painting look like its coming to life.