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

input, verb
enter (data or a program) into a computer

input, noun
signal going into an electronic system
a statement that expresses a personal opinion or belief or adds information
any stimulating information or event; acts to arouse action
a component of production; something that goes into the production of output

instruct, verb
impart skills or knowledge to
give instructions or directions for some task
She instructed the students to work on their pronunciation
make aware of
Have the students been apprised of the tuition hike?

intelligence, noun
the ability to comprehend; to understand and profit from experience
a unit responsible for gathering and interpreting information about an enemy
secret information about an enemy (or potential enemy)
we sent out planes to gather intelligence on their radar coverage
information about recent and important events
the operation of gathering information about an enemy

interval, noun
a definite length of time marked off by two instants
a set containing all points (or all real numbers) between two given endpoints
the distance between things
fragile items require separation and cushioning
the difference in pitch between two notes