scheme-n; 2 Senses

Sense Number 1: a strategy or plan, sometimes dishonest

Commentary: SCHEME[+system][+strategy][+detailed]
NOTE: implies a purposeful agent

It's a scheme in the Second Act to make the king jealous.
That real estate 'opportunity' turned out to be a pyramid scheme.
The girls spent hours discussing their schemes and dreams of the future.

WordNet 3.0 Sense Numbers: 1, 2, 5

Sense Number 2: a configuration of interrelated elements, an arrangement

Commentary: SCHEME[+system][+configuration][+elements][+interrelated]

Mary picked out a new color scheme for her bedroom decor.
This poem uses a classical rhyming scheme.
The scheme of the house has a two-story entrance hall with library and living room off to each side.

WordNet 3.0 Sense Numbers: 3, 4