Monthy contribution amount / Contribution period / Contribution description

Seeing these tags in Mailchimp can be helpful to segment the Mailchimp audience. Maybe you want to send a newsletter issue without ads to everyone who pays more than 10 euros per month? Or use a campaign to call on all low payers to increase their contribution? Of course, there are many more ideas for possible uses.

Once you have created the merge fields, you can use them for segmenting your audience just like any other data points. How to create segments in Mailchimp, you can read here.