Information is understood as that series of knowledge, structured in an organized and clear body, contained in a document or file, whose purpose is to nurture the population on the subject that deepens its constitution. This can be classified according to the degree of availability it has, in addition to which ones and how it uses different resources to transmit its data, referring to being public or private, internal or external, direct and indirect and selective or semantic.
Regarding public information, it is characterized by being available to the general public, that is, it is not restricted in any way and normally, it can be disseminated orally and verbatim without requesting a permit or license on it. In some countries, documents in the public domain can be oriented to different topics, even becoming identification documents, birth certificates, driver's licenses, etc. With this, normally, the aim is to facilitate some investigation processes carried out by organizations with social purposes or to recover extremely important documents.
Normally, making use of this information for your own benefit or that of third parties does not come with any restrictions, as mentioned above, but you do have to obey the rules imposed by the official laws of the country with which you are dealing. Similarly, it is considered that all citizens of this nation have the right to obtain such public information and even go to public bodies to demand compliance with their rights, requesting the delivery of the desired documents.