Another way that prototypes are classified is by the fidelity of the prototype, or the degree to which the prototype represents the appearance and interaction of the system.[ 4 ] A low-fidelity prototype is one that is quickly constructed to depict concepts, design alternatives, and screen layouts.
A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. 1  solvent: the substance in which a solute dissolves to produce a homogeneous mixture. 2  solute: the substance that dissolves in a solvent to produce a homogeneous mixture.
solution. 1  a uniform mixture that contains a solvent and at least one solute. 2  the part of a solution present in the largest amount. 3  the substance that is present in a solution in a smaller amount and is dissolved by the solvent.  a mixture that contains small, undissolved particles that do not settle out.