Dynamic Scope

. Binding of non local names to storage do not change when new activation is set up

. A non local name a in the called activation refers to same storage that it did in the calling activation

In dynamic scope , a new activation inherits the existing bindings of non local names to storage. A non local name a in the called activation refers to the same storage that it did in the calling activation. New bindings are set up for the local names of the called procedure, the names refer to storage in the new activation record.