An alphanumeric token that uniquely identifies a request sender. This ID is associated with your Secret Access Key.

An Amazon Machine Image (AMI) is an encrypted machine image stored in Amazon Simple Storage Service (Amazon S3). It contains all the information necessary to boot instances of your software.

A standardized way to refer to an AWS resource. For example: arn:aws:iam::123456789012:user/division_abc/subdivision_xyz/Bob. For more information about ARNs, see Using Identifiers in the AWS Identity and Access Management User Guide .

Amazon EC2 locations are composed of Regions and Availability Zones. Availability Zones are distinct locations that are engineered to be insulated from failures in other Availability Zones and provide inexpensive, low latency network connectivity to other Availability Zones in the same Region.

A credential that some AWS products use for authentication of AWS Accounts and Users. Also known as an X.509 certificate. The certificate is paired with a private key, and it has an AWS-assigned certificate ID associated with it.

A credential that identifies an AWS Account or User to AWS (see Secret Access Key).

Amazon EC2 locations are composed of Regions and Availability Zones. Regions are geographically dispersed and will be in separate geographic areas or countries. Regions consist of one or more Availability Zones.

A key assigned to you by Amazon Web Services (AWS) when you sign up for an AWS account. Used for request authentication.

Term used in Web Service Definition Language (WSDL), e.g. maxOccurs="unbounded", meaning that the number of potential occurrences is not limited by a set number. Very often used when defining a data type that is a list of other types, such as an unbounded list of integers (element members) or an unbounded list of other complex types that are element/members of the list being defined.