search engine
a website that finds information on the internet /sɜːrtʃ ˈendʒɪn/
social media
websites and apps for sharing and communicating /ˈsəʊʃəl ˈmiːdiə/
broadcast
to send a programme on TV or radio to many people /ˈbrɔːdkɑːst/
headline
the title of a news story, printed in large letters /ˈhedlaɪn/
Examples
“I used a search engine to find the answer.”
“Many teenagers use social media every day.”
“The match will be broadcast live tonight.”
“The headline said "Record temperatures in Spain".”