A premise from which conclusions are drawn.
A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue.
A fixed reference point or set of reference points which precisely define a system of measurement or a coordinate system.
A fact known from direct observation.
To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device.
An introduction, or series of preliminary remarks.
A title or epithet.
The beginning or introductory portion that comes before the main text of a document or book.
The prelude or introduction to the canon of the Mass.
To give a preface to.
To introduce or make a comment before (the main point).