A logo is a graphic mark or emblem commonly used by commercial enterprises, organizations and even individuals to aid and promote instant public recognition. Logos are either purely graphic (symbols/icons) or are composed of the name of the organization (a logotype or wordmark). wikipedia.org

Vector graphics is the use of polygons to represent images in computer graphics. wikipedia.org

Adobe Illustrator is a vector graphics editor developed and marketed by Adobe Systems. wikipedia.org

A T-shirt is a style of shirt. A T-shirt is buttonless and collarless, usually with short sleeves and frequently a round neck line. T-shirts can be decorated with text and/or pictures, and they are often used to advertise, promoting products, companies, films and websites.

Graphic design is a creative process - most often involving a client and a designer and usually completed in conjunction with producers of form (i.e., printers, signmakers, etc.) _ undertaken in order to convey a specific message (or messages) to a targeted audience. wikipedia.org

Print design is the process of creating and formatting projects using layout software that is ready to be printed by the end user. It is especially helpful when multiple persons or agencies are working on the same project. wikipedia.org