An ocean current is a continuous, directed movement of seawater generated by forces acting upon this mean flow, such as breaking waves, wind, the Coriolis effect, cabbeling, temperature and salinity differences, while tides are caused by the gravitational pull of the Sun and Moon.
RDDs - Radar Detector Detectors, All Acronyms, viewed April 15, 2017, <https://www.allacronyms.com/RDDS/Radar_Detector_Detectors>.
SSD. Solid State Drive. A data storage device that uses nonvolatile solid state memory. These devices typically emulate a hard disk drive. TRIM. See definition. A computer command used by a SSD to inform it of data blocks in the SSD memory space that are no longer in use. This command allows the SSD controller to reorganize the memory space it is managing to allow any unused space to be optimally relocated.