Example: https://en.wiktionary.org/wiki/number, first definition says:
(countable) An abstract entity used to describe quantity.
where the countable, redirects to https://en.wiktionary.org/wiki/Appendix:Glossary#countable
which in return, says
countable, countable noun, count noun
Describes a noun which can be freely used with the indefinite article (a or an in English) and with numbers, and which therefore has a plural form. Antonym: uncountable, or mass noun.
In the tooltip, this description would show while hovering over countable
Example: https://en.wiktionary.org/wiki/number, first definition says:
where the countable, redirects to https://en.wiktionary.org/wiki/Appendix:Glossary#countable
which in return, says
In the tooltip, this description would show while hovering over countable