BS IS0/IEC 4933:2026 BSl Standards Publication Information technology User interfaces - Unifying input actions across devices bsi. BSISO/IEC4933:2026 BRITISH STANDARD National foreword ThisBritish StandardistheUK implementationofIS0/IEC4933:2026 The UK participation inits preparation was entrustedto Technical Committee ICT/2,ICT Accessibility. A list of organizations represented on this committee can be obtained on request to its committee manager. Contractualand legalconsiderations This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be accepted by BsI in relation to the adequacy, accuracy, completeness or liability is expresslydisclaimed tothefull extentpermitted bythelaw. This publication is provided as is, and is to be used at the recipient's own risk. The recipient is advised to consider seeking professional guidance with respect to its use of this publication. Thispublication is not intended to constitutea contract.Users are responsibleforitscorrectapplication. @The British Standards Institution2026 PublishedbyBSIStandardsLimited2026 ISBN9780539321296 ICS 35.180 Compliancewith a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the Standards Policyand Strategy Committee on 28February 2026. Amendments/corrigendaissuedsincepublication Date Text affected BSIS0/IEC4933:2026 IEC International ISO Standard ISO/IEC 4933 First edition Information technology User 2026-01 interfaces Unifying input actions across devices Technologiesde I'information-Interfacesutilisateur Unification des actions d'entree sur les dispositifs physiques et logiciels Referencenumber ISO/IEC4933:2026(en) @ISO/IEC2026 BSISO/IEC4933:2026 IS0/IEC4933:2026(en) COPYRIGHTPROTECTEDDOCUMENT @IS0/IEC2026 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Email:[email protected] Website: www.iso.org Published in Switzerland IS0/IEC 2026 - Allrights reserved ii BSISO/IEC4933:2026 IS0/IEC4933:2026(en) Contents Page Foreword .iv Introduction 1 Scope. .1 2 Normative references .1 3 Terms and definitions .1 3.1 Termsrelatedto actions 1 3.2 Terms related to devices. .2 3.3 Terms related to systems .3 4 Background tounifying input actions across devices 4 4.1 Overview of input action, inputdeviceand interaction withuser interface 4 4.2 Physical input actions 4 4.3 Logical input actions 4 4.4 Physicalandlogical inputactionsfor ICTdeviceconnections .5 5 Need for unifying input actions 5 5.1 .5 Overview. 5.2 Device-specific input actions on user interfaces 6 5.3 Unifying input actions on user interfaces. 6 6 Usecasesofunifyinginputactionsacrossdevices 7 6.1 A simple closed system.. 7 7 6.2 A system with attached peripheral devices 6.3 Twosystemsinteractingwithoneanother 8 6.4 Morecomplicated configurations. 8 7 Framework ofunification moduleforinputactions. 8 8 Requirementsand recommendations .9 8.1 Functional requirements and recommendations .9 8.1.1 Inputactionreceivingfunction 9 8.1.2 Physicalinputactions recognition function 9 8.1.3 Logical input actions identification function .9 8.1.4 Inputactions conversionfunction 8.2 Additional requirements and recommendations 9 8.2.1 Userinterface .9 8.2.2 Conversion capability. .10 8.2.3 Flexibility 11 8.2.4 Customizability 11 8.2.5 Scalability .11 8.2.6 Accessibility 12 Bibliography 13 IS0/IEC 2026-All rights reserved iii BSISO/IEC4933: