Noun
A mark placed under the letter c [thus, c], to show that it is to be sounded like s, as in facade.
Source: Webster's dictionaryIn the Vatican copy the e of Dagome might have an s adscriptum (similar to cedilla ), though just the Vatican copyist read iudex literally, relating it to Sardinia and its four "judges". Source: Internet
Cedilla and comma The ogonek is functionally equivalent to the cedilla and comma diacritics. Source: Internet
Essentially, the Brazilian keyboard contains dead keys for five variants of diacritics in use in the language; the letter Ç, the only application of the cedilla in Portuguese, has its own key. Source: Internet
If two of these three are used within the same orthography their respective use is restricted to certain classes of letters, i.e. usually the ogonek is used with vowels whereas the cedilla is applied to consonants. Source: Internet
In general, a diacritic is a glyph, even if (like a cedilla in French, the ogonek in several languages or the stroke on a Polish " Ł ") it is contiguous with the rest of the character. Source: Internet
The comma and the cedilla are both derivative of a small cursive z (ʒ) placed below the letter. Source: Internet