You will feel even more confident once you've found your engagement ring when you take time to understand the diamond basics. Get an introduction to the 4 Cs of diamonds - cut, color, clarity, and carat weight - by which every diamond is universally judged.
fortification. 1  the act of fortifying or strengthening. 2  something that fortifies or protects. 3  the art or science of constructing defensive military works. 4  Often, fortifications. military works constructed for the purpose of strengthening a position; a fort: Supposedly impregnable, the fortifications were quickly overrun.
Fortress. a strategically important point (or city) with a permanent garrison, armament, supplies, and independent headquarters, which is prepared for perimeter defense by means of permanent fortification and the provision of everything necessary for prolonged battle under siege conditions.he fortress castle was the residence of the feudal lord and the place where he stationed his armed detachment, whose function was to hold the population of the subordinate areas and cities in submission and wage combat against neighbors.