Sentence:  Since the characteristics of <WSD>Musnad</WSD> handwriting is not famous, and some of the readers may be unfamiliar with these scripts, a brief description of the important aspects of <WSD>Musnad</WSD> will be presented in this section. 
Meaning of the word marked with <WSD> tags:  The ancient South Arabian alphabet, which branched from the Proto-Sinaitic alphabet in about the 9th century BC.