The T-shape stands for people who are broad (horizontal) and deep (vertical). T-shaped people are interested in ... Consequently, organizations like to hire people who encompass these broad and deep T-shaped skills and experiences.
Source: wiktionary
T-shape: These roles have broad and deep competencies and are in the middle of the chain, for example, information architect, infrastructure architect, business architect or solution architect. Governance: These roles on the top of[…]
Source: wiktionary
... An explanation of the T-shape can help students to see the connection between the “broad” that general education courses offer and the “deep” that the vocational part of their program develop.
Source: wiktionary