1.3 definitionthe following terms are defined as their use applies in this standard.additionally,definitions throughout the standard of italicized terms are given in sections describing their application. their location may be identified by referring to the index.1.3.1 boundary,inner.A worst case boundary(that is,locus)generated by the smallest feature(MMC for an internal feature and LMC for an externalfeature)minus the stated geometric tolerance and any additional geometric tolerance(if applicable)from the feature’s departure from its specified material condition.see figs.2-9 through 2-121.3.2 boundary,outer.A worst case boundary(that is,locus)generated by the largest feature(LMC for an internal feature and MMC for an external feature)plus the geometric tolerance and any additional geometric tolerance(if applicable)from the feature’s departure from its specified material condition.see figs. 2-9 through 2-121.3.3 datum.A theoretically exact point,axis,or plane derived from the geometric counterpart of a