250 Inka Koskela, Ilkka Arminen & Hannele Palukka
pants’ situated orientation to a set of semiotic fields in the constitution of
their action and in building the shared understanding of the encompassing
activities. The context in which social action unfolds provides participants
with different materials and resources, which are juxtaposed in a fashion that
enables them to assemble and understand action in progress. Semiotic fields
include various sign phenomena such as talk, gaze, gesturing body, space,
materials in the environment, historically and socially institutionalised struc-
tures, the sequential organisation of action and encompassing activities
(Goodwin 2000).
In coordinating mobility, the moment-to-moment juxtaposition of rel-
evant semiotic ...