Able to be hammered into thin sheets; capable of being extended or shaped by beating with a hammer, or by the pressure of rollers. / (figuratively) Flexible, liable to change.

Used other than figuratively or idiomatically: see small, reed. / A reed-like grass of the genus Calamagrostis.

The act or method of controlling or directing. / Skillful guidance or management. / Behaviour; the manner of behaving. / (of a literary work) Plot.

interchange, exchange