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 underlying theme or conclusion to be drawn from something.
An errand.
See messages (“groceries, shopping”).
A communication, or what is communicated; any concept or information conveyed.
To send (something) as a message; usually refers to electronic messaging.
To send a message or messages; to be capable of sending messages.
To send a message to; to transmit a message to, e.g. as text via a cell phone.