tracker

Everyday

1. A person who follows the tracks or signs of animals or people to find them. tree →
2. A device or app that shows where something or someone is, or records information: a GPS tracker, a fitness tracker. tree →
3. A chart or list for following progress: a reading tracker, a habit tracker. tree →
4. (internet) A hidden piece of code on a website that records what you do online. tree →

In the lessons

In stories and nature lessons, Aboriginal Australian and Native American trackers were famous for reading footprints and signs. In everyday life, fitness trackers count steps; parcel trackers show where your delivery is. In online safety lessons, websites use trackers and cookies to collect data. Phrases: «fitness tracker», «GPS tracker», «parcel tracker», «reading tracker».

Examples

• The tracker followed the bear's footprints in the snow. tree →
• Dad's fitness tracker says he walked 10,000 steps today. tree →
• We put a GPS tracker on the dog's collar. tree →
• Fill in your reading tracker every night. tree →
• The parcel tracker says our delivery will arrive this afternoon. tree →
• Some websites use trackers to see what you click. tree →
• He shall become a great tracker. tree →

Note

Countable. From «track» + -er. Online safety: trackers collect data about you; ask an adult before accepting cookies or sharing location.