What does Leana mean? Leana [leana] as a girls' name has its roots in Norman, Greek, English and French, and Leana means sun ray; to twine around. Leana is a variant form of Aileen (Norman): Scottish respelling of Eileen. Leana is also an Irish form of Helen (Greek).
From Wikipedia, the free encyclopedia. Formal balance, also called symmetrical balance, is a concept of aesthetic composition involving equal weight and importance on both sides of a composition. ^ J. Englebright Fox, Robert Schirrmacher. Art and Creative Development for Young Children (7 ed.). Cengage Learning, 2011.
A high-level description is one that is more abstracted, describes overall goals and systemic features, and is typically more concerned with the system as a whole, or larger components of it. In formal methods, a high-level formal specification can be related to a low-level executable implementation (e.g., formally by mathematical proof using formal verification techniques).