signaling

"The court returned a sentence of guilt in the first charge, but innocence in the second."

"He is a student of life."

"My daughter's teacher is very kind and helpful. "

"The teacher signalled the start of the test by raising her hand. "

"The army's headquarters issued a new order for all troops. "

"The teacher contextualized the historical event by explaining the social and political climate of the time. "

"The doctor ordered a blood test to check the levels of important biochemicals in my body, like glucose and cholesterol. "

"The teacher communicated the new assignment to the students. "

"My biology class is studying biochemistry to understand how the food I eat is broken down in my body. "

"The government has complete control over the situation."

"The guard blew his whistle to indicate imminent departure."

"to raise your hand if you want to say something; to raise your walking stick to defend yourself"