0 words in general -- das Vokabular
1 (the stock of) words known and used eg by one person, or within a particular trade or profession -- der Wortschatz
He has a vocabulary of about 20,000 words
the specialized vocabulary of nuclear physics.
2 a list of words in alphabetical order with meanings eg added as a supplement to a book dealing with a particular subject -- das Wörterverzeichnis
This edition of Shakespeare’s plays has a good vocabulary at the back.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Wir können es Schritt für Schritt vervollständigen, egal wie lang die Straße ist, und es kann nicht fertiggestellt werden, egal wie kurz die Straße ist, wenn Sie nicht einmal Ihren Fußabdruck markieren.