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 (Ð±ÑÐ»Ð³Ð°ÑÑÐºÐ¸) Bulgarian is a Southern Slavic language with about 12 million speakers mainly in Bulgaria, but also in Ukraine, Macedonia, Serbia, Turkey, Greece, Romania, Canada, USA, Australia, Germany and Spain. Bulgarian is mutually intelligible with Macedonian, and fairly closely related to Serbian, Croatian, Bosnian and Slovenian.