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 objective consensus on a fundamental reality that has been agreed upon by a substantial number of experts.
An individual value or measurement at the lowest level of granularity in a data warehouse.
Something which is real.
A wrongful or criminal deed.
Something actual as opposed to invented.
Something concrete used as a basis for further interpretation.
Information about a particular subject, especially actual conditions and/or circumstances.
Used before making a statement to introduce it as a trustworthy one.