walker: an enclosing framework on casters or wheels; helps babies learn to walk
A baby walker is a device that can be used by infants who cannot walk on their own to move from one place to another. Patents have been issued for baby walkers as early as 1851.
A formal assessment or examination of something with the possibility or intention of instituting change if necessary
look at again; examine again; "let's review your situation"
A periodical publication with critical articles on current events, the arts, etc
an essay or article that gives a critical evaluation (as of a book or play)
A critical appraisal of a book, play, movie, exhibition, etc., published in a newspaper or magazine