LatitudeLongitude[pos] gives a list of the latitude and longitude in degrees of a geographic position specified by pos.LatitudeLongitude[pos, datum] gives the latitude and ...

LatticeReduce[{v_1, v_2, ...}] gives a reduced basis for the set of vectors v_i.

Left is a symbol that represents the left-hand side for purposes of alignment and positioning.

Legended[expr, lbl] indicates that a legend entry for expr should be created, with label lbl.

LengthWhile[list, crit] gives the number of continuous elements e_i starting at the beginning of list for which crit[e_i] is True.

MeanShiftFilter[image, r, d] replaces each pixel with the mean of the pixels in a range-r neighborhood and whose value is within a distance d.MeanShiftFilter[array, r, d] ...

MessageList[n] is a global object assigned to be a list of the names of messages generated during the processing of the n\[Null]^th input line.

Messages[symbol] gives all the messages assigned to a particular symbol.

MultilaunchWarning is a global option that specifies whether a warning is given when you try to modify user preferences while running two copies of Mathematica simultaneously.

NearestFunction[data] represents a function whose values give the elements closest to an element that is supplied.