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

research, noun
systematic investigation to establish facts
a search for knowledge

respond, verb
show a response or a reaction to something
react verbally
respond favorably or as hoped
The cancer responded to the aggressive therapy

role, noun
the actions and activities assigned to or required or expected of a person or group
an actor's portrayal of someone in a play
what something is used for
normal or customary activity of a person in a particular social setting
what is your role on the team?

section, verb
divide into segments

section, noun
a self-contained part of a larger composition (written or musical)
he always turns first to the business section
a very thin slice (of tissue or mineral or other substance) for examination under a microscope
sections from the left ventricle showed diseased tissue
a distinct region or subdivision of a territorial or political area or community or group of people
no section of the nation is more ardent than the South
one of several parts or pieces that fit with others to constitute a whole object
a section of a fishing rod
a small team of policemen working as part of a police platoon

sector, noun
a plane figure bounded by two radii and the included arc of a circle
a social group that forms part of the society or the economy
the public sector
a particular aspect of life or activity
he was helpless in an important sector of his life
the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
a portion of a military position

significant, adj
important in effect or meaning
a significant change in tax laws
fairly large
won by a substantial margin
too closely correlated to be attributed to chance and therefore indicating a systematic relation
the interaction effect is significant at the .01 level
rich in significance or implication

similar, adj
marked by correspondence or resemblance
similar food at similar prices
having the same or similar characteristics
resembling or similar; having the same or some of the same characteristics; often used in combination
(of words) expressing closely related meanings
capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability

source, verb
get (a product) from another country or business
She sourced a supply of carpet
specify the origin of
The writer carefully sourced her report

source, noun
the place where something begins, where it springs into being
a document (or organization) from which information is obtained
the reporter had two sources for the story
anything that provides inspiration for later work
a facility where something is available
a person who supplies information

specific, noun
a fact about some part (as opposed to general)
a medicine that has a mitigating effect on a specific disease
quinine is a specific for malaria

specific, adj
(sometimes followed by `to') applying to or characterized by or distinguishing something particular or special or unique
rules with specific application
stated explicitly or in detail
needed a specific amount
relating to or distinguishing or constituting a taxonomic species
specific characters
being or affecting a disease produced by a particular microorganism or condition; used also of stains or dyes used in making microscope slides
quinine is highly specific for malaria