A collocation is a group of two or more words that are usually used together. Using them makes your English sound a lot more natural because collocations are based on real-life, frequent usage of particular words used in a specific order.

For example, while it would be grammatically correct to use "fast glance," native speakers say "quick glance."

Here are some more business collocations for you to use:

Enjoy this quick guide of popular closings to use at the end of your business emails.