The voiced alveolar stop is a type of consonant. The letter for this sound in the International Phonetic Alphabet is ⟨d⟩. The X-SAMPA symbol for this sound is ⟨d⟩. The English language has this sound, and it is the sound represented by "d" in dear and desk.
Its behavior is stop, or plosive. It means that we produce this sound by obstructing airflow in the vocal tract. (The term plosive contrasts with nasal stops, where the blocked airflow is redirected through the nose.)
Gilles, Peter; Trouvain, Jürgen (2013), "Luxembourgish", Journal of the International Phonetic Association, 43 (1): 67–74, doi:10.1017/S0025100312000278
Soderberg, Craig D.; Olson, Kenneth S. (2008), "Indonesian", Journal of the International Phonetic Association, 38 (2): 209–213, doi:10.1017/s0025100308003320