◎◎◎ tool ⪢⪢
A tool is something that helps you do a task.
http://qindex.info/i.php?x=20436

○○○ Boston Dynamics ⪢⪢
Developed by Boston Dynamics, the robot dog can accompany troops on missions and assist with tasks such as reconnaissance and surveillance.
http://qindex.info/i.php?x=26344

Google ➔ Dictionary ➔ Image ➔ YouGlish