This scale indicates the social acceptability of a word. This may be highly idiolectal. I suppose I will go to bed now. A scale which marks item as topic or comment. Note that this section was substantially revised in February 1999.
Semantic tense is represented by a character.
This is language specific, though most languages will encode such aspects as progressive. At present we have no specific implementation ready. Not all of these relations are grammaticized in any specific language. We use three-letter abbreviations to mark the features. The semantic boundaries are sometimes a bit fuzzy.