Wall Decoration Idea

decoration
an award for winning a championship or commemorating some other event
The process or art of decorating or adorning something
Ornamentation
A thing that serves as an ornament
the act of decorating something (in the hope of making it more attractive)
something used to beautify

wall
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; "the south wall had a small window"; "the walls were covered with pictures"
anything that suggests a wall in structure or function or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"; "negotiations ran into a brick wall"
A continuous vertical brick or stone structure that encloses or divides an area of land
Any high vertical surface or facade, esp. one that is imposing in scale
surround with a wall in order to fortify
A side of a building or room, typically forming part of the building's structure

idea
A thought or suggestion as to a possible course of action
An opinion or belief
the content of cognition; the main thing you are thinking about; "it was not a good idea"; "the thought never entered my mind"
a personal view; "he has an idea that we don't like him"
A concept or mental impression
mind: your intention; what you intend to do; "he had in mind to see his old teacher"; "the idea of the game is to capture all the pieces"