In particular, while the generic nature of sympathy (as expressed by #prayforboston) might not have any geographic specificity, expressions of solidarity (using #bostonstrong) would be expected from cities with deeper ties to Boston that include shared regional or cultural identities.
Apparently expressions of solidarity have now become "secondary action".
Sometimes there seems an almost heroic quality to these personal expressions of solidarity.
To be sure, such expressions of solidarity were on the margins of black political activism.
But such expressions of solidarity were insufficient, the pope said Tuesday.
There were few expressions of solidarity on social media, no popular "#wearestpetersburg" hashtag or tribute images shared.
Immediately after the attacks in Paris, there was here, as elsewhere, an outpouring of sadness and expressions of solidarity.
The time may have arrived for expressions of solidarity to evolve into a next step in European cooperation.
On the Internet, people flooded bulletin boards with outpourings of emotion and expressions of solidarity with the stricken.
Mr. Moriarity said the musicians had received "expressions of solidarity" (but nothing formal) from other unions, namely those representing stagehands and actors.
