Other factors influencing the overall solar panel cost include the efficiency and life expectancy of the solar panels, installation costs including actual installation of the solar panels and electrical connections, additional equipment required such as inverters, batteries and cabling.
context (plural contexts) 1  The surroundings, circumstances, environment, background or settings that determine, specify, or clarify the meaning of an event or other occurrence. ( 2 linguistics) The text in which a word or passage appears and which helps ascertain its meaning.
contextual definition - a definition in which the term is used by embedding it in a larger expression containing its explanation; a contextual definition of `legal duty' might be `X has a legal duty to do Y means that X is required to do Y by a contract relationship that would be upheld in a court of law'.