It gives information that allows the reader to contextualize the news, they are useful for adding important details.

http://hintoncsd.instructure.com/eportfolios/677/Tretizen_10_Mg_Gold__Zenlabs__Acne_
http://pucmm.instructure.com/eportfolios/677/Why_We_Use_Injection__Abbott__Injectable_Steroids

縺ゅ縺 メッセージ
The unanimous decisions by the Ivy League Council of Presidents follow extended consideration of options and strategies to mitigate the transmission of the COVID-19 virus, an analysis of current increasing rates of COVID-19 -- locally, regionally and nationally -- and the resulting need to continue the campus policies related to travel, group size and visitors to campus that safeguard the campus and community, the statement read.