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PrefixNamespace IRI
n5stackexchange.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isap:145860554
prov:wasDerivedFrom
isa:447313240
Subject Item
isa:447313240
rdf:type
prov:Entity
prov:value
At least in my understanding of what OP is trying to say - that the gesture conveys some sort of information or communication - gave her a signal is the best choice.
prov:wasQuotedFrom
n5:com
Subject Item
isap:66218410
prov:wasDerivedFrom
isa:447313240