  Although the terms ocean and sea are often used interchangeably, a sea is generally considered to be smaller than an ocean. One definition of ocean is: a great bod â¦ y of interconnecting salt water that covers 71 percent of the Earth's surface.
Sharpie brand permanent markers. A permanent marker or indelible marker is a type of marker pen that is used to create permanent writing on an object. In general, the ink comprises a main carrier solvent, a glyceride, a pyrrolidone, a resin and a colorant, making it waterproof.
Definition. Perceptual mapping is a marketing research technique where you attempt to determine how different product brands are perceived by consumers when mapped-or compared-against two or more product dimensions.Two common approaches used in perceptual mapping are the collection of similarity data and preference data.ere's an example of a perceptual map of similarity: Another approach is use of preference data. You can collect data based upon a comparison of two products or rankings of several products.