A logo is a symbol and/or stylized text signifying a brand. The term is often contrasted with “wordmark” and “logotype.”
Investopedia
Definition of differentiation (What is differentiation?)
Differentiation is the process of distinguishing a brand from other brands by identifying and highlighting its unique or distinctive attributes.
Definition of brand equity (What is brand equity?)
Brand equity is a brand’s strength or esteem; its value—positive or negative—in non-financial terms.
Definition: What is brand identity?
Brand identity is the cumulative expression of a brand to target audiences.