Some basic poverty definitions:
Income poverty
Extreme poverty: Lack of income necessary to satisfy basic food needs - usually defined on the basis of minimum calorie requirements. (Often called absolute poverty).
Overall poverty: Lack of income necessary to satisfy essential non-food needs - such as for clothing, energy and shelter - as well as food needs. (Often called relative poverty).
Human poverty
Lack of basic human capabilities: Illiteracy, malnutrition, abbreviated life span, poor maternal health, illness from preventable diseases.
Indirect measures are lack of access to goods, services and infrastructure - energy, sanitation, education, communication, drinking water - necessary to sustain basic human capabilities.