events : I think I have a slot open in my diary. 1-hour/90 minute/4-Hour, etc. Meaning

of slot in English 🌈 - Cambridge Dictionary dictionay DicionarY dicionays.cambridge :

nionarys : dipl

[subject slot] + [verb slot], Sentence Slots  The Writing 🌈 Textbook -

ressbooks pressbooks.pub : writeingtextbook : chapter , sentence-arrangement