Executory and Executed Contracts. An executory contract has an act or obligation stipulated in a contract that has yet to be performed by one or more parties to the contract. For example, an equipment lease and a license to intellectual property are examples of executory contracts.
The seed contains and disperses the embryo. Around the whole seed is a layer called the seed coat. This layer may be thick or thin, depending on the species, but it often contains light-sensitive chemicals.When conditions are right -- there is appropriate light and water -- the seed coat may trigger the germination of the seed.his layer may be thick or thin, depending on the species, but it often contains light-sensitive chemicals. When conditions are right -- there is appropriate light and water -- the seed coat may trigger the germination of the seed.
Definition of layer. 1  1 : one that lays something (such as a worker who lays brick or a hen that lays eggs) 2  2a : one thickness, course, or fold laid or lying over or under anotherb : stratumc : horizon 2. 3  3a : a branch or shoot of a plant that roots while still attached to the parent plantb : a plant developed by layering.