Contemporary didactics of Czech language looks for ways to mediate language curriculum to pupils in accordance with their communicative experience and to persuade the pupils about the fact that cognition of the substance of language phenomena will help to develop their thinking and communicative success. The article brings results of the research of the project GA ČR P407/12/1830 of the topic word.
It introduces a child's preconcept of a word and a genesis of a pupil's concept of word as a graphic unit based on gradual management of segmentation of multiword stress rhythm.