deep

"communication of a secret"

"The teacher's explanation had a clear reference to the textbook. "

"My sister is very helpful, especially when it comes to organizing things. "

"He received a mysterious phone call this morning."

"The children were excited to see the exotic creatures at the zoo. "

"The feeling is difficult to describe, but not unpleasant."

"Gravity pulls everything downwards."

"The intellectual presented a compelling argument for a new school policy. "

"The student's isolation from the other children made it difficult for her to learn. "

"The company is extending its office hours to better serve customers. "

"The school's political represented the students' concerns to the principal. "

"My teacher explained the new math concept, and I understood it perfectly. "