Group 1 analyse, verb consider in detail and subject to an analysis in order to discover essential features or meaning break down into components or essential features make a mathematical, chemical, or grammatical analysis of

contact, verb
be in or establish communication with
be in direct physical contact with; make contact

contact, noun
close interaction
they kept in daily contact
the act of touching physically
her fingers came in contact with the light switch
the state or condition of touching or of being in immediate proximity
litmus paper turns red on contact with an acid
the physical coming together of two or more things
contact with the pier scraped paint from the hull
a person who is in a position to give you special assistance
he used his business contacts to get an introduction to the governor

decline, verb
grow worse
refuse to accept
show unwillingness towards
grow smaller
Interest in the project waned
go down
The roof declines here

decline, noun
change toward something smaller or lower
a condition inferior to an earlier condition; a gradual falling off from a better state
a gradual decrease; as of stored charge or current
a downward slope or bend