However, subtle signals, known as 'cheap talk' are now recognised.
G.E. also used the meeting to telegraph more subtle signals.
She laughed and lifted a hand in a subtle signal.
Though no one else would be able to read the subtle signals, both officers agreed.
Men are more likely to miss subtle signals like tone of voice or facial expressions.
She rose, no subtle signal that it was time for him to leave.
A subtle signal had his floor man, already moving toward the table, stopping.
At some subtle signal, they all set down their copies of the schedule in unison.
She answered automatically, but watched as from a distance the subtle signals of his expressions.
After two more minutes he took his place at the head of the formation, giving a subtle signal, and they began moving.