All types of possible navigations in LWC

lwcNavigation.html

<template>
    <lightning-card title={heading}>
        <lightning-layout horizontal-align="center" vertical-align="center" multiple-rows>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="LWC Practice" onclick={navigateTab} icon-name="custom:custom34">
                </lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="Account Home" onclick={navigateAccountHome} icon-name="custom:custom34">
                </lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="All Accounts" icon-name="utility:save" onclick={navigateListView}>
                </lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="Record Details" variant="destructive" icon-name="utility:delete"
                    onclick={navigateDetails}></lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="Record Relationship Page" variant="destructive" icon-position="right"
                    icon-name="custom:custom32" onclick={navigateRelationship}></lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="Web Page" variant="brand" onclick={navigateToWebPage}
                    icon-name="action:web_link">
                </lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="Create Account" icon-name="action:new_account" onclick={navigateCreateAccount}>
                </lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="Edit Account" icon-name="action:edit" onclick={navigateAccountEdit}>
                </lightning-button>
            </lightning-layout-item>

            <lightning-layout-item padding="around-small" size="3">
                <lightning-button label="To another community page" icon-name="action:edit" onclick={navigateToPage}>
                </lightning-button>
            </lightning-layout-item>

        </lightning-layout>
    </lightning-card>
</template>

lwcNavigation.js

/* eslint-disable no-console */
/* eslint-disable no-alert */
/* eslint-disable no-unused-vars */
import {
    LightningElement,
    api,
    wire
} from 'lwc';
import {
    NavigationMixin,
    CurrentPageReference
} from 'lightning/navigation';

export default class LwcNavigation extends NavigationMixin(LightningElement) {
    @api heading = "LWC Navigation";
    @wire(CurrentPageReference)
    pageRef;

    connectedCallback() {
        //alert('current = '+JSON.stringify(this.pageRef));
    }

    navigateTab(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: 'standard__navItemPage',
            attributes: {
                apiName: 'LWC_Practice'
            }
        });
    }

    navigateAccountHome(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: 'standard__objectPage',
            attributes: {
                objectApiName: 'Account',
                actionName: 'home'
            }
        });
    }

    navigateRelationship(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: "standard__recordRelationshipPage",
            attributes: {
                recordId: "500B0000004NCnTIAW",
                objectApiName: "Case",
                relationshipApiName: "CaseComments",
                actionName: "view"
            }
        }, false);
    }

    navigateListView(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: 'standard__objectPage',
            attributes: {
                objectApiName: 'Account',
                actionName: 'list'
            },
            state: {
                filterName: 'AllAccounts'
            }
        });
    }

    navigateDetails(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: 'standard__recordPage',
            attributes: {
                recordId: '001B000000nTmlJIAS',
                objectApiName: 'Account',
                actionName: 'view'
            }
        }, true);
    }

    navigateCreateAccount(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: 'standard__objectPage',
            attributes: {
                objectApiName: 'Account',
                actionName: 'new'
            }
        });
    }

    navigateAccountEdit(event) {
        console.log('Label = ' + event.target.label);
        this[NavigationMixin.Navigate]({
            type: 'standard__recordPage',
            attributes: {
                recordId: '001B000000nTmlJIAS',
                objectApiName: 'Account',
                actionName: 'edit'
            }
        });
    }

    navigateToWebPage() {
        // Navigate to a URL
        this[NavigationMixin.Navigate]({
            type: 'standard__webPage',
            attributes: {
                url: 'http://salesforce.com'
            }
        }, false);
    }

    navigateToPage(event) {
        this[NavigationMixin.Navigate]({
            type: 'comm__namedPage',
            attributes: {
                pageName: 'community-page-name',
            },
            state: {
                c__recordId: 'xxxxxxxxxxxx'
            }
        });
    }
}

navigateToPage(event) {
this[NavigationMixin.Navigate]({
type: 'comm__namedPage',
attributes: {
pageName: 'community-page-name',
},
state: {
c__recordId: 'xxxxxxxxxxxx'
}
});
}

This code will work in community as well. @asanaDY