Usability testing is the measurement of ease of use of a product or piece of software. In contrast, usability engineering (UE) is the research and design process that ensures a product with good usability. Usability is a non-functional requirement.
I think in modern world you can associate with only one thing, but it's not the best choice. Bulgarians speak Slavic language as mother tongue, but also many of us speak a Germanic language (English). We have always been part of the Mediterranean world and are pred.Pontid in race, a Med subtype. think in modern world you can associate with only one thing, but it's not the best choice. Bulgarians speak Slavic language as mother tongue, but also many of us speak a Germanic language (English). We have always been part of the Mediterranean world and are pred.
Bulgarian is closely related to Macedonian, generally recognized as a distinct language, although the prevalent opinion in Bulgaria, to some extent in Greece, and that of certain international linguists is that Bulgarian and Macedonian are two standard forms of the same diasystem.ulgarian and Macedonian form part of the Balkan linguistic union, which also includes Greek, Romanian, Albanian and Torlakian dialect of the Serbian language. Most of these languages share some of the above-mentioned characteristics (e.g., definite article, infinitive loss, complicated verb system) and many more.