Gis forGalvanized
Something is galvanized if it is covered in a thin coating of zinc. Steel is galvanized to stop it from rusting.
Not to be confused with corrugated.
Ganache is a mix of chocolate and cream. It can be used as frosting or filling for pastries and confectionary. It is made by pouring warm cream over diced chocolate and then stirring them together. Ganache is usually made with two parts chocolate to one part cream for filling, and equal parts for frosting or a glaze.
A gap is a small space between two things, or a small break in something continuous like a fence. A gap can be measured in distance, like the gap between the two buildings in the picture, or it can be measured in time. For example, some people take a gap year between school and university.
Garb is a word that describes either a style of clothing, or the clothes you are currently wearing. The girl in the picture is wearing renaissance garb.