NAMESPACE - This is used, in the case of .NET applications to represent the Namespace in your code. It is usually a combination of the ORGANIZATION_LABEL and the PROJECT_NAME.
ORGANIZATION_LABEL - The organization Label is usually a single word that represents an organization. Examples of organizations can be words like Microsoft, Oracle, etc. Note that they are all single words.
ORGANIZATION_NAME - This is the full name of an organization when compared to the ORGANIZATION_LABEL. Examples will be Microsoft Inc., Oracle Corporation, etc.
PROJECT_NAME - This is the name of your project.
OUTPUT_FOLDER - This is the folder your code will be generated into.
DEFAULT_CONNECTION - This is the default connection to your database.
LOG_FILE - This is the path to the error log file created when your application runs
PRESERVE_TABLE_NAME - This is a flag that stencils ( especially schema-dependent stencils) will while generating code that pertains to table names. When set to true, it means the stencil will not pluralize/singularize the table name, rather it will be used just as it is.