The Unicode standard nowadays defines UTF-8, UTF-16, and UTF-32. It speaks of "characters" which are assigned (i.e., mapped) to "code points" (i.e., U+0000 to U

The Unicode standard nowadays defines UTF-8, UTF-16, and UTF-32. It speaks of "characters" which are assigned (i.e., mapped) to "code points" (i.e., U+0000 to U+10FFFF) and character encodings which encode scalar values (all code points except the surrogate ranges, therefore including all characters).