That's a matter of opinion. My choice would be Pitman Shorterhand.
Languages that use logograms, such as Chinese and Japanese, can convey meaning with fewer characters compared to alphabetic languages, potentially making them more efficient in terms of information density. However, efficiency can also depend on factors like context, ease of learning, and individual preferences.
Seeming as its British it would be English, unless of coarse you are in Wales then it would be written in welsh.
The language in which the document was first written is not specified in the question.
The most widely written language in the world is English. English is used as the primary language for communication in various fields such as business, science, and technology. It is also considered the global language for diplomacy and tourism.
written language developed by the Aryans
The Kalpa Sutra, a Jain text, is written in Ardhamagadhi, an ancient Indo-Aryan language used in Jain scriptures. It is considered one of the most important sacred texts in the Jain tradition.
Anton Kruger has written: 'Efficient FORTRAN programing' -- subject(s): FORTRAN (Computer program language)
The most efficient way to store a list is with an array.
The Comanche, like most native Americans, had no written language of their own.
The superlative of efficient is "most efficient."
The original Java compiler was probably written in C/C++ because an efficient language like C is ideal for writing compilers in.
C language is better for hardware programming .Most of the programming for hardware are written in C language so it is beneficial for hardware programming is not efficient for application programming due to drawback like in C data moves around the system.
Latin
They most likely did not possess written language for most of their existence. They may have used the devanagari script in later years.
The major written language of Ghana is English. Only the larger indigenous language groups are sometimes written, including Akan. Most of the languages do not appear in written form.
Most plainchant was written in Latin. This language was used in liturgical practices within the Catholic Church, and plainchant served as the musical foundation for these ceremonies.
It is Latin
Annabelle Most Markoff has written: 'Receptive Oral Language Inventory'