The beca is worn on the breast and shoulder, over the doublet

Doublet

Doublet may refer to:*Doublet , a man's snug-fitting buttoned jacket that was worn from the late 14th century to the mid 17th century*Doublet , an assembled gem composed in two sections, such as a garnet overlaying green glass...

. The colors of the beca and the coat of arms

Coat of arms

A coat of arms is a unique heraldic design on a shield or escutcheon or on a surcoat or tabard used to cover and protect armour and to identify the wearer. Thus the term is often stated as "coat-armour", because it was anciently displayed on the front of a coat of cloth...

 embroidered on it identify the university

University

A university is an institution of higher education and research, which grants academic degrees in a variety of subjects. A university is an organisation that provides both undergraduate education and postgraduate education...

 and school

School

A school is an institution designed for the teaching of students under the direction of teachers. Most countries have systems of formal education, which is commonly compulsory. In these systems, students progress through a series of schools...

 or faculty

Faculty (university)

A faculty is a division within a university comprising one subject area, or a number of related subject areas...

 that the tuno belongs to. The beca is given to the tuno by his companions when they consider that he has enough experience, and is fit to represent his University Tuna and, by extension, his/her university.