Blood pressure is usually expressed in terms of the systolic pressure (maximum during one heart beat) over diastolic pressure (minimum in between two heart beats) and is measured in millimeters of mercury , above the surrounding atmospheric pressure (considered to be zero for convenience).
social/organizational/cultural context. It sees words as symbols interpreted in context. Mead (1934) and Blumer (1972) stressed communication as symbolic interaction that created meaning and oneâs sense of both self and society. Discourse analysis is an extension and elaboration of the contextual perspective.
An understanding of how aspects of a subject relate to each other and to the whole: a perspective of history; a need to view the problem in the proper perspective. b. Subjective evaluation of relative significance; a point of view: the perspective of the displaced homemaker.