(D) A brush tool is one of the basic tools found in graphic design and editing applications. It is a part of the painting tool set which may also include pencil tools, pen tools, fill color and many others. It allows the user to paint on a picture or photograph with the selected color. A programming language is a vocabulary and set of grammatical rules for instructing a computer or computing device to perform specific tasks. The term programming language usually refers to high-level languages,such as BASIC, C, C++, COBOL,Java, FORTRAN, Ada and Pascal.