Englishfor English speakers
system
Noun
—
A group of things that work together; a way of doing something.
This coloured paper is part of my system for keeping lists of people.
of
Preposition
—
Made using.
It is a house of cards.
catalogue
Noun
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A catalogue is a list of items.
Look through the catalogue to find the book you're looking for.
catalogue
Verb
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To catalogue is to organize items in a list, often in alphabetical order.
Catalogue these books so we can easily find them.