Negative average power. What does it mean?

[Stoyan.5]

Negative average power. What does it mean?

Hi. What it means negative values for average power?

In Multisim 14.2 I have negative average power values for
P_Input, P_B1, P_B2. avg(P_Input)<0, avg(P_B1)<0, avg(P_B2)<0

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Please see attached circuit Multisim forum.ms14

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I am doing Transient analysis .

avg(P_Input) is input average power of V6 Voltage Source

avg(P_B1) is input average power of V3 Voltage Source

avg(P_B2) is input average power of V2 Voltage Source