The phrase "rudimentary communication" is correct and usable in written English.
You can use it when describing a basic or primitive form of communication. It implies that the communication is simple or underdeveloped. Example: The early humans used rudimentary communication methods such as grunts and gestures to communicate with each other.
Pidgins are rudimentary communication systems that are developed when people speaking different languages come together (often in a commercial setting or when one people has conquered and is exploiting another) and need to communicate about practical matters.
The game does not feature text-based object descriptions or conversations, as its few short scenes of rudimentary communication with friendly non-player characters use only a minimalist system of pictograms in comic book-style speech balloons, usually displaying the objects that the characters need to be delivered.
Siglas Poveiras are a form of proto-writing system, with a restricted number of symbols that were combined to form more complex symbols; these were used as a rudimentary visual communication system, and as a signature to mark belongings.
You have to rely on each other's goodwill, with only very rudimentary forms of communication.
To defend its empire, to construct its rudimentary systems of communication and transport, and to man its plantation economies, the British used forced labour on a gigantic scale.
IT took Jonathan Brunot, undeniably handsome at 19 yet so profoundly autistic that the most rudimentary attempts at communication can provoke a wild-eyed struggle, six years to learn how to tie the laces of his sneakers.
Almost all mammals and many other animal species make vocal noises and evince feelings thereby and keep in contact with each other through a rudimentary sort of communication, but those members of the animal kingdom nearest to humans genetically, the great apes, lack the anatomical apparatus necessary for speech.
There are also some signs that these drawings are rudimentary attempts at communication – the size of the random squiggles seems to correspond to the size of nearby objects, for instance.
Such an emphasis on tools was necessary in these early development years because of the lack of basic collaboration tools text chat, synchronous audio, videoconferencing to support rudimentary levels of communication and interaction.
However, partnerships and service integration require time and funding to become embedded in clinical practice, and for many GPs, this goes no further than rudimentary referral based communication with little to no correspondence back [ 30].
We have been unable to get the most rudimentary of communications, and, more than not having water or energy, the lack of communication you really cannot communicate with people, and so we don't have the big picture, the details of the realities that are being confronted every day by citizens and mayors and volunteers".
