On the Subject of Those Weird Symbols on Keypad

"I'm not sure what these symbols are." Well now you do.

Symbol: Name: Origin:
Copyright sign Symbol used to indicate that a work is protected by exclusive rights to its use and distribution.
Black star Simply a filled-in star. Not used as a letter in any writing system.
White star Simply a hollow star. Not used as a letter in any writing system.
Arabic letter Teh with ring Letter used in the Arabic alphabet, with an old/discontinued diacritic.
Cyrillic capital letter Zhe with descender Letter derived from Zhe (Ж) used in the Dungan, Kalmyk, Tatar and Turkmen variants of the Cyrillic alphabet.
Greek capital letter Omega Letter used in the Greek alphabet, both modern and ancient.
Cyrillic capital letter iotified Big Yus Letter used in early forms of the Cyrillic alphabet.
Cyrillic capital letter Omega with Titlo Letter used in early forms of the Cyrillic alphabet, with an old diacritic.
Coptic symbol Kai Symbol used to represent “and” in the discontinued Coptic writing system. Similar in use to modern & (ampersand).
Coptic small letter gangia A letter from the Coptic alphabet, a discontinued writing system now only used in liturgy.
Cyrillic small letter Be Letter widely used in almost all variants of the Cyrillic alphabet.
Symbol: Name: Origin:
Greek letter archaic Koppa Letter that was used in early forms of the Greek alphabet. Now replaced by kappa (Κ).
Cyrillic capital letter Little Yus Letter that was used in early forms of the Cyrillic alphabet. Now replaced by Ya (Я).
Latin small letter AE Ligature of A and E, originating from Latin script. Used in modern languages, including French and Icelandic.
Cyrillic capital letter Komi Dzje Letter used exclusively in the Komi variant of the Cyrillic alphabet.
Cyrillic capital letter E with diaeresis Letter used in early forms of the Cyrillic alphabet. Now replaced by E (Э).
Combining Cyrillic hundred thousands sign Used in the (discontinued) Cyrillic counting system, written around another character to multiply its value by 100,000.
Cyrillic capital letter short I with tail Letter used exclusively in the Kildin Sami language. Variant of short I (Й).
Cyrillic capital letter Ksi Letter used in early versions of the Cyrillic alphabet. There is no modern equivalent.
Inverted question mark Used exclusively in the Spanish language to begin a question.
Pilcrow sign Symbol formerly used to separate paragraphs in articles or essays. Today used by word processing software to mark paragraphs in a way that won’t be printed.
Greek capital dotted lunate Sigma symbol Symbol used in ancient Greek writing to make editorial corrections.
Greek capital reversed dotted lunate Sigma symbol Symbol used in ancient Greek writing to make editorial corrections.
Symbol: Name: Origin:
Greek capital letter Psi Letter used in the Greek alphabet, both modern and ancient.
Cyrillic capital letter Big Yus Letter that was used in early forms of the Cyrillic alphabet.
Cyrillic capital letter Abkhasian Ha Letter used exclusively in the Abkhazian variant of the Cyrillic alphabet.
Cyrillic thousands sign Used in the (discontinued) Cyrillic counting system to represent one thousand.
Greek small letter Koppa Letter that was used in early forms of the Greek alphabet. Now replaced by kappa (Κ).
Greek small letter Zeta The lower-case letter Zeta (ζ) in the Greek alphabet, both modern and ancient.
Latin small letter Lambda with stroke Letter used in Americanist phonetic notation, derived from Greek lambda (λ) and used to represent the voiceless alveolar lateral affricate (t͡ɬ).
Cyrillic capital letter Yat Letter used in early versions of the Cyrillic alphabet. In Russian now supplanted by Myagkiy Znak (Ь).