Display

Metrics
42/46.2, line height is 1.1x
Weight
Semibold 600
Usage
Display type is used for visual impact and emphasis

Page title

Metrics
32/35.2, line height is 1.1x
Weight
Semibold 600
Usage
Page title is used to provide hierarchy. As it's name suggest, it's used for labeling a page, modal, or view.

Big text

Metrics
24/26.4, line height is 1.1x
Weight
Semibold 600
Usage
Big text is used to emphasize text that isn't sufficiently called out by simply bolding or coloring.

Section title

Metrics
20/29, line height is 1.45x
Weight
Semibold 600
Usage
Section title text is used to label a section of content in a page/view/modal.

Body text

Metrics
16/23.2, line height is 1.45x
Weight
Regular 400
Usage
Body text is the default for all text in Meetup's UI.

Small text

Metrics
14/22.4, line height is 1.6x
Weight
Regular 400
Usage
Small text is used for text that belongs lower in the hierarchy. For example: labels, captions.

Tiny text

Metrics
12/19.2, line height is 1.6x
Weight
Regular 400
Usage
Tiny text is used for edge cases where we need text to be really small. For example: character counter, the month text in a calendar sheet.