; (H) entities that manufacture or sell assistive technology devices; (I) entities that carry out community programs designed to develop essential community services in rural and urban areas; and (J) other appropriate individuals and entities, as determined for a State by the State. (17) Underrepresented population The term underrepresented population means a population that is typically underrepresented in service provision, and includes populations such as individuals who have low-incidence disabilities, individuals who are minorities, individuals with a total family income that is below the poverty line (as defined in section 3 of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3102 )), individuals with limited English proficiency, older individuals, or individuals from rural areas. (18) Universal design The term universal design means a concept or philosophy for designing and delivering products and services that are usable by people with the widest possible range of functional capabilities, which include products and services that are directly accessible (without requiring assistive technologies) and products and services that are interoperable with assistive technologies. 4. Grants for State assistive technology programs (a) Grants to States The Secretary shall award grants under subsection (b) to States to maintain a comprehensive statewide continuum of integrated assistive technology activities described in subsection (d) through State assistive technology programs that are designed to— (1) maximize the ability of individuals with disabilities across the human lifespan and across the wide array of disabilities, and their family members, guardians, advocates, and authorized representatives, to obtain assistive technology