In plain English
It refers to how much texting activity happened on a phone service within a set time. That amount is usually counted by the text messages that were sent and the ones that were received.
In context
Here, "text usage" labels the amount of texting activity that the bill counts for the period shown.
- Situation
- Reading telecom bills, usage, overage, credits, contract period, and payment status
- What it communicates
- labels the message activity counted on the bill.
Meaning limits
By itself, the term indicates only the amount of texting activity for a period, not any other kind of phone use.
Examples
“His text usage on the plan reached 600 messages in May, while his data use barely changed.”
“The bill shows text usage of 240 messages for April.”