• Syllabogram is a graphic character representing a syllable = unit of pronunciation consisting of one vowel sound and one or more consonants
  
  
• In its simplest form, syllabograms are combination of each consonants with each of the vowels discerned: ba, be, bi, bo, bu, by, etc.
  
  
• As compared to the enormous number of characters in ideographic scripts this is a huge simplification, but, the advantage of the link to concepts or objects for each character is lost.

Japan:

Examples of a transcription in Roman script of some words written in “Katakana”.

Amharic is a syllabic script.